Get windows identity current thread

Scenario 3 : ASP. In the connect as option check the box which says , Always use the authenticated users credentials when validating access to the network directory. You may receive one or more error messages when you try to access an ASP. This problem occurs because ASP. NET applications are not supported when you select the Always use the authenticated user's credentials when validating access to the network directory check box in IIS 6.

Scenario 4 : ASP. To check for security group membership you must set the Principal Policy to use the WindowsPrincipal corresponding to the current security token e. Principal policy is set on a per AppDomain basis. Imports System. Security Imports System. Threading ' ' Create an Identity object. Substring 0, aName.

WindowsPrincipal If Not Thread. Critical, "Error" Application. Exit End If. If you want to check membership in one of the standard, built in groups, you can use the IsInRole method that takes an enumerated value:. Imports System Imports System. Returns a WindowsIdentity object that represents the current Windows user, using the specified desired token access level. Returns a WindowsIdentity object that represents the Windows identity for either the thread or the process, depending on the value of the ifImpersonating parameter.

The desiredAccess parameter specifies an access mask that identifies the requested types of access to the access token. These requested access types are compared with the token's discretionary access control list DACL to determine which types of access are granted or denied. If ifImpersonating is true and the thread is not impersonating, the returned WindowsIdentity object has no value.

If ifImpersonating is false and the thread is impersonating, the WindowsIdentity for the thread is returned. If ifImpersonating is false and the thread is not impersonating, the WindowsIdentity for the process is returned. Security — Issue for more of the back story. As part of the ASP. NET Core framework, the following middleware packages are provided:. However the Thread. CurrentPrincipal would not actually reflect the ClaimsPrincipal object that was created as the result of the login.

In fact, it would simply be an instance of the GenericPrincipal implementation. Likewise, walking up to the ClaimsPrincipal. Additionally, the ClaimsPrincipal. Current internally relies on the Thread. CurrentPrincipal for its value. User property. The Startup.